Gems float switches are devices used to detect the level of liquid within a tank. The switch may be used in a pump, an indicator, an alarm, or other devices. Float switches range from small to large and may be as simple as a mercury switch inside a hinged float or as complex as a series of optical...

There are very few homeowners who have the experience or knowledge to alter their home's electrical system. The inherent fear of electrical shock prevents most people from trying even the simplest of repairs, like changing a bad wall socket. When something goes wrong with an electrical system or a...